Eager Load Relationships with Conditional Constraints

<?php

$users = App\Models\User::with(['posts' => function ($query) {
    $query->where('published_at', '<=', now());
}])->get();

foreach ($users as $user) {
    echo "User: " . $user->name . "
";
    foreach ($user->posts as $post) {
        echo " - Published Post: " . $post->title . "
";
    }
}

How it works: This snippet demonstrates how to eagerly load relationships while applying conditions to the related models. The `with()` method accepts an array where relationship names can be keys, and a closure as the value. This closure receives the relationship query builder, allowing you to add `where` clauses or any other query constraints to the related models being loaded, ensuring you only retrieve the specific related data needed.